diff options
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 52 |
1 files changed, 4 insertions, 48 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index d3f5a8aea1b..e55968e4882 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -328,7 +328,6 @@ push_secondary_reload (int in_p, rtx x, int opnum, int optional, enum reload_type secondary_type; int s_reload, t_reload = -1; const char *scratch_constraint; - char letter; secondary_reload_info sri; if (type == RELOAD_FOR_INPUT_ADDRESS @@ -399,10 +398,8 @@ push_secondary_reload (int in_p, rtx x, int opnum, int optional, scratch_constraint++; if (*scratch_constraint == '&') scratch_constraint++; - letter = *scratch_constraint; - scratch_class = (letter == 'r' ? GENERAL_REGS - : (reg_class_for_constraint - (lookup_constraint (scratch_constraint)))); + scratch_class = (reg_class_for_constraint + (lookup_constraint (scratch_constraint))); rclass = scratch_class; mode = insn_data[(int) icode].operand[2].mode; @@ -548,7 +545,6 @@ enum reg_class scratch_reload_class (enum insn_code icode) { const char *scratch_constraint; - char scratch_letter; enum reg_class rclass; gcc_assert (insn_data[(int) icode].n_operands == 3); @@ -557,9 +553,6 @@ scratch_reload_class (enum insn_code icode) scratch_constraint++; if (*scratch_constraint == '&') scratch_constraint++; - scratch_letter = *scratch_constraint; - if (scratch_letter == 'r') - return GENERAL_REGS; rclass = reg_class_for_constraint (lookup_constraint (scratch_constraint)); gcc_assert (rclass != NO_REGS); return rclass; @@ -2850,9 +2843,8 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known, if (*constraints[i] == 0) /* Ignore things like match_operator operands. */ ; - else if (constraints[i][0] == 'p' - || (insn_extra_address_constraint - (lookup_constraint (constraints[i])))) + else if (insn_extra_address_constraint + (lookup_constraint (constraints[i]))) { address_operand_reloaded[i] = find_reloads_address (recog_data.operand_mode[i], (rtx*) 0, @@ -3209,14 +3201,6 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known, c = '\0'; break; - case '=': case '+': case '*': - break; - - case '%': - /* We only support one commutative marker, the first - one. We already set commutative above. */ - break; - case '?': reject += 6; break; @@ -3425,29 +3409,6 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known, earlyclobber = 1, this_earlyclobber = 1; break; - case 'E': - case 'F': - if (CONST_DOUBLE_AS_FLOAT_P (operand) - || (GET_CODE (operand) == CONST_VECTOR - && (GET_MODE_CLASS (GET_MODE (operand)) - == MODE_VECTOR_FLOAT))) - win = 1; - break; - - case 's': - if (CONST_SCALAR_INT_P (operand)) - break; - case 'i': - if (CONSTANT_P (operand) - && (! flag_pic || LEGITIMATE_PIC_OPERAND_P (operand))) - win = 1; - break; - - case 'n': - if (CONST_SCALAR_INT_P (operand)) - win = 1; - break; - case 'X': force_reload = 0; win = 1; @@ -3468,9 +3429,6 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known, || (REGNO (operand) >= FIRST_PSEUDO_REGISTER && reg_renumber[REGNO (operand)] < 0))) win = 1; - /* Drop through into 'r' case. */ - - case 'r': cl = GENERAL_REGS; goto reg; @@ -4677,8 +4635,6 @@ alternative_allows_const_pool_ref (rtx mem ATTRIBUTE_UNUSED, for (; (c = *constraint) && c != ',' && c != '#'; constraint += CONSTRAINT_LEN (c, constraint)) { - if (c == TARGET_MEM_CONSTRAINT || c == 'o') - return true; enum constraint_num cn = lookup_constraint (constraint); if (insn_extra_memory_constraint (cn) && (mem == NULL || constraint_satisfied_p (mem, cn))) |